Nau'in taurari

nau'ikan taurari

Duniyar da muka sani tana da girma mai girma kuma babu galaxy kawai wanda muke rayuwa a ciki. Akwai taurari da yawa kuma ba duka iri ɗaya bane. Akwai galaxies na siffofi da girma dabam-dabam, daga ƙattai zuwa dwarfs. Edwin Hubble ya kirkira tarin taurari a shekarar 1936 domin ya sami damar raba wadanda suke daban-daban nau'ikan taurari gwargwadon siffofinsu da bayyanar su. Duk waɗannan rabe-raben an faɗaɗa su a kan lokaci, amma har yanzu yana aiki.

A cikin wannan labarin zamu gaya muku menene nau'ikan taurarin da ke wanzuwa kuma menene ainihin halayen su.

Rarraba nau'ikan taurari

rarraba galaxy

An rarraba Galaxies zuwa nau'ikan daban-daban. Muna iya ganin manyan nau'ikan taurari kamar elliptical, lenticular, karkace, da wanda bai bi ka'ida ba. Tunda Edwin Hubble ya yi tunanin cewa akwai juyin halitta da ci gaba a cikin taurari daga fikafikan lenticular leli da daga wadannan zuwa karkace, ya yi abin da ake kira da Hubble jerin. Tun da tarin taurari marasa tsari basu dace da sauran ba basa shiga kowane irin tsari.

Mun san cewa galaxy wani abu ne wanda aka haɗe tare da adadi mai yawa na taurari da kuma alaƙa tsakanin juna tare juna ta hanyar aikin su na nauyi. Ta hanyar samun aikin kansa na nauyi akan abubuwanda suka hada damin tauraron dan adam sai suka zama kebabbu daga sararin samaniya. Akwai kimanin taurari biliyan 100.000 a cikin sanannun sararin samaniya. Koyaya, tabbas wannan lambar tana ƙaruwa tare da shudewar lokaci saboda ci gaban fasaha. Duk wannan tarin damin damin taurarin an tattara shi zuwa gungu-gungu kullum.

Mun sani cewa Wayyo Milky gidan mu ne kuma wasu taurari biliyan 200 kuma shine yake ba wa tauraron dan adam suna.

Nau'in taurari

taurari

Za mu rarraba nau'ikan taurarin da ke wanzu kuma mu ambata ainihin halayensu.

Galalies na Elliptical

An tsara shi kamar ellipse kuma yana iya samun ƙarancin eccentricity. Galibi taurari ne An lasafta su tare da harafin E sannan lambar da ke tsakanin 0 da 7. An gabatar da lambar don iya nuna hanta eccentricity na galaxy. Wadannan nau'ikan taurari sun kasu kashi 8 na daban mai suna daga E0 zuwa E7. Ana iya cewa tsohon yana da kusan a bayyane kuma bashi da wata ma'amala, yayin da na biyun yana da haɓakar haɓaka da ƙarin tsawan gani.

Galaxies na elliptical suna da karancin gas da ƙura kuma kusan babu wani abu mai mahimmanci. Tare da 'yan samari kaɗan, yawancin taurarin sun tsufa. Kusan galibinsu suna jujjuya cibiyar ne ta hanyar rikici da bazuwar. Zamu iya samun nau'ikan girma iri-iri daga manya zuwa dwarf. Mafi girma taurari ne elliptical tun, lokacin da gungun taurari suka ƙyanƙyashe sun haɗu suna haifar da manyan taurari masu fa'ida.

Galaxies na Lenticular

nau'ikan taurari da rarrabuwa

Nau'ikan taurari guda daya ne wadanda aka kebanta tsakanin masu hangen nesa da karkace. Arearfin da ke kusa da sararin samaniya ya mamaye shi kamar tsoffin taurari, kamar yadda yanayin yake tare da ellipticals. Hakanan suna da faifai na taurari da iskar gas kewaye da su kamar karkace. Amma ba ta da karkacewa. Ba shi da wata ma'amala da yawa kuma da wuya kowane sabon taurari ya samu.

Galaxies Lenticular zasu iya samun ƙari ko ƙasa da ƙasa ko ɗaya / ko tsakiyar taurari. Lokacin da muke da wani nau'in galaxy mai lenticular ana kiran shi SO kuma idan an hana su galaxy galanties ana kiran su SOB.

Galaxies masu karkace

Wadannan nau'ikan taurari suna samuwa ne ta hanyar sharar tsofaffin taurari. Wannan ainihin yana da faifai mai jujjuya taurari da kayan interstellar da yawa wannan yana zagayawa ne a kusa da wannan tsohuwar tauraruwa. Faifan juya taurari sananne ne wanda yake dauke da hannayen karkace wadanda suka kara daga tsakiya. A cikin waɗannan makamai muna da taurari matasa, mafi taurari kai tsaye na babban jerin. Wadannan makamai sune suke sanya wannan nau'in galaxy din da ake kira karkace.

Hannun karkace suna da ci gaba na tauraruwa. Idan muka binciki faifan za mu iya gano cewa akwai wani haske da ke tattare da dunkulen duniyoyi da kuma taurari warwatse iri daban-daban. A cikinsu muna samun tsoffin taurari. Wannan nau'in galaxy an tsara shi tare da harafin S sannan wani harafin ƙaramin ƙarami wanda zai iya zama a, b, c ko d. Wannan ya bambanta dangane da girma da bayyanar ainihin da makamai. Idan muka ɗauki galaxy Sa zamu ga cewa suna da babban cibiya a cikin girma dangane da makamai. Waɗannan makamai za su sami mahimmin ƙarfi kamar yadda suma ƙananan suke.

A gefe guda, muna da taurarin Sd waɗanda ke da ƙaramar cibiya amma tare da manyan makamai waɗanda suka fi watsewa. A yawancin nau'ikan taurari masu juyawa za mu iya ganin madaidaiciyar sandar a bangarorin biyu na tsakiya daga inda hannayen karkace suka fito. Wannan nau'in damin tauraron dan adam, kamar na da, an san shi da karyayyun taurarin dan adam. Galibi ba sa faɗin komai tare da SB da wasiƙar kamar ta baya. Wannan haɗin harafin yana da ma’ana iri ɗaya kamar bajewar karkace.

Galaxies ba daidai ba

Kamar yadda muka ambata a baya, gungun taurari marasa tsari ba su da wani ingantaccen tsari ko fasali. Saboda haka, ya fi rikitarwa don gabatar da shi cikin kowane nau'in jerin galaxy. Ba su da sifar koyon aiki kuma ba su shimfida dacewa a cikin jerin Hubble ba. Arearamin damin taurari ne mai tarin yawan iskar gas da ƙura.

An sanya sunayensu tare da Irr kuma an rarraba su zuwa nau'i biyu. Nau'in Irr I ko Magellanic da Irr II. Na farko sune mafi yawan samuwa kuma suna da tsofaffin taurari masu ƙarancin haske. Wadannan taurari ba su da wata cibiya. Latterarshen na ƙarshe sun fi aiki kuma sun haɗu da samari matasa. Yawancin lokaci ana ƙirƙira su ne ta hanyar ma'amala tsakanin ƙarfin ƙarfin ƙarfin damin taurari mafi kusa. Hakanan yana iya faruwa cewa sun samo asali ne daga karowar wasu taurari biyu.

Ina fatan cewa tare da wannan bayanin zaku iya koyo game da nau'ikan taurari.

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